her father says she thought the rebel fighters with us were assad's forces. despite his efforts to reassure her, she's still anxious and with reason. he was shot in the arm as a checkpoint. the bullet was going to hit my daughter, he tells us. but i had just put my arm around her. she, just 4 years old, blinks hard, yes. she ended up drenched in her father's blood. as gunfire rings out again, her father takes away the bullet casings she's collected. nearby, a woman who doesn't want to be filmed takes me aside. sometimes i want to die, rather than live like this, she whispers. >> arwa damon is joining us now from northern syria. arwa, what about these reports -- you've heard the secretary of state talking about it -- that the syrian regime may be moving around their chemical weapons. if they are, that's a red line that the u.s. will have to deal with. are the rebels where you are concerned that bashar al assad's regime could use chemical weapons against them? >> reporter: they most certainly are, wolf. first of all, they believe that this regime will do just a